204142693 has 2 divisors, whose sum is σ = 204142694. Its totient is φ = 204142692.

The previous prime is 204142691. The next prime is 204142703. The reversal of 204142693 is 396241402.

It is a happy number.

204142693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172580769 + 31561924 = 13137^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 204142693 - 2¹ = 204142691 is a prime.

Together with 204142691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204142691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102071346 + 102071347.

It is an arithmetic number, because the mean of its divisors is an integer number (102071347).

Almost surely, 2^204142693 is an apocalyptic number.

It is an amenable number.

204142693 is a deficient number, since it is larger than the sum of its proper divisors (1).

204142693 is an equidigital number, since it uses as much as digits as its factorization.

204142693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 204142693 is about 14287.8512380274. The cubic root of 204142693 is about 588.8137546338.

The spelling of 204142693 in words is "two hundred four million, one hundred forty-two thousand, six hundred ninety-three".